Home / 21,815,349.30-30,105,389.65-12,026,144.58

Finding the Fourth Proportional to 21,815,349.30, 30,105,389.65 and 12,026,144.58

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Solution

The fourth proportional to 21,815,349.30, 30,105,389.65 and 12,026,144.58 is: 16,596,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815,349.30 : 30,105,389.65 = 12,026,144.58 : x
  2. Step 2: Convert to fraction form
    21,815,349.30/30,105,389.65 = 12,026,144.58/x
  3. Step 3: Cross multiply
    21,815,349.30x = 30,105,389.65 × 12,026,144.58
  4. Step 4: Simplify right side
    21,815,349.30x = 362,051,768,673,514.44
  5. Step 5: Solve for x
    x = 362,051,768,673,514.44/21,815,349.30
  6. Step 6: Final answer
    x = 16,596,193.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.